Feltfon Linear

ACOUSTIC LINEAR FELT for sound absorbing walls and ceilings

With Gustafs Feltfon Linear you can design sound absorbing walls and ceilings with a soft and warm expression. The Capax Quick-Up installation system is available for walls and ceilings. The system is sturdy for use in high traffic environments, it grips multiple rib widths and is fully demountable. Create your own look by varying the linears width and depth, the colour, the width of the spacings or fill the spacings with wooden in-fill strips. Of course, Feltfon Linear is fire safe – in the Gustafs way, without the need for impregnations.

TYPE / SOLUTION

Linear System

APPLICATION

Ceilings, Wall, Wet rooms

Fire Class

B-s1,d0

Acoustic class

A, C, D

CONTACT

Material

Gustafs Acoustex© 9 mm, is a next generation textile made from minimum 50% post-consumer recycled material.

Design

Create your own mix. The ribs are available in three wool shades of grey and many widths and depths.

A safe choice

Gustafs Linear Feltfon System is made for public spaces. It has B-s1,d0 classification – which means little or no contribution to fire.

01 WE LOVE WOOD +

01 WE LOVE WOOD

The combination of wooden in-fill strips and wool felt ribs simply sounds beautiful.

02 IT’S A SYSTEM +

02 IT’S A SYSTEM

Gustafs Feltfon© ribs are designed for Gustafs Capax© installation system – a perfect match for ceilings and walls. Simple, quick, sturdy, and demountable.

03 ACOUSTICS +

03 ACOUSTICS

9 mm of felt thickness means 9 mm of air permeable material. Together with the hollow core, Feltfon Linear is a super absorber up to class A.

Acoustex Felt – Green Acoustics made from rPET

A minimum of 50% recycled PET bottles, chipped into flakes and mixed with fresh PET material, are spun into Gustafs Acoustex felt. PET is very suitable to be re-processed and Feltfon Linear is a 100% recyclable solution.

01. THE PERFECT LOOP +

01. THE PERFECT LOOP

Our Acoustex rPET felt material can be re-processed repeatedly. Feltfon Linear can be de- and re-mounted multiple times – for circular use.

02. COLOURS +

02. COLOURS

Feltfon Linear is available in:

Wool grey
Dark grey
Anthracite grey

Dirty Green
Sand
Wet Sand

03. STURDY & SOFT +

03. STURDY & SOFT

With a 9 mm thick felt with a high density of 2 kg/m², Feltfon ribs will survive on walls in all types of public spaces.

Turn our standards into something unique

By mixing dimensions freely, you can achieve an exciting and personal expression on your wall or ceiling. The only limit is your creativity.

Dimensions

A wide range of standard dimensions let you design without having to re-invent the wheel.

Spacing

Using the Gustafs Quick-Up Capax System: Spacings 22 mm, 53 mm, 84 mm, 115 mm, 146 mm, 177 mm, 208 mm, etc.

Wooden In-fill strips

Gustafs wooden in-fill strips are available in the following dimensions (depth x width x length): 13 x 23 x 2400, 13 x 54 x 2400 and 13 x 85 x 2400 mm
Wood species: American Oak / Knotty Oak / Birch / Ash / Walnut / Wild Oak Smoked and Wild Oak Grey.

STANDARD

Standard dimensions

LENGTH: 2400 mm

DEPTH	WIDTHS
	40 mm	71 mm	102 mm
40 mm	x	x	x
60 mm	x	x	x
80 mm	x	x	x
100 mm	x	x	x
120 mm	x	x	x

Customized rib dimensions

Length: 2400 mm
Minimum depth 30 mm
Maximum depth 555 mm in combination with 40 mm width
Minimum width 40 mm in combination with depth 555 mm.
Maximum width 598 mm in combination with 275 mm depth

Possible* maximum dimensions Depth x Width

555×40 mm
540×71 mm
525×102 mm
510×133 mm
495×164 mm
480×195 mm
460×226 mm
445×257 mm
430×288 mm
415×319 mm
400 x 350 mm
385 x 381 mm
370 x 412 mm
355 x 443 mm
340 x 474 mm
325 x 505 mm
305 x 536 mm
290 x 567 mm
275 x 598 mm

* Please note that some of these dimensions might not be suitable for wall use, depending on the room design.

SPACING

Wooden in-fill strips

Wooden Infill strips are available with the following veneers:

American Oak – Knotty Oak – Birch – Ash – Walnut – Wild Oak Smoked – Wild Oak Grey

Gustafs Linear Feltfon acoustics

Design something new with acoustic absorption coefficients up to the highest possible class A. A sound investment for the right kind of echo.

KNOWLEDGE HUB / ACOUSTICS

Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 50mm

APPLICATION	SPACING	INSULATION	αw / NCR
Wall	22 mm	Acoustex 9 mm	0,55-D/ 0,80

Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 95 mm

APPLICATION	SPACING	INSULATION	αw / NCR
Wall	22 mm	Acoustex 9 mm + 45mm mineral wool	0,95-A/ 0,95

Acoustic absorption Feltfon Ribs 40 x 40 mm, total depth 250 mm:

APPLICATION	SPACING	INSULATION	αw / NCR
Ceiling	22 mm	Acoustex 9 mm + air void 201 mm	1,00-A / 0,95
Ceiling	22 mm	air void 211 mm	0,60-C / 0,65

Fire safety

Rest easy knowing that Feltfon is fire-safe without the need for impregnations, prioritizing safety without compromising style.

Reaction to fire – classifications Gustafs Feltfon

PRODUCT	REACTION TO FIRE
Feltfon Acoustex	B-s1,d0

With our low emission Acoustex, you can breathe out.
And everyone else can breathe in.

Free from fire-retardants, added formaldehyde or isocyanate binders, the Acoustex material in Feltfon Linear guarantees extremely low TVOC levels.

KNOWLEDGEHUB / EMISSIONS

Our Linear Feltfon comply with the following building certifications

	TVOC required	TVOC result	Formaldehyde required	Formaldehyde result
BREEAM	≤ 0,3 (mg/m³)	0,01 (mg/m³)	≤ 0,01 (mg/m³)	0,005 (mg/m³)
LEED none U.S.	≤ 1,0 (mg/m³)	0,01 (mg/m³)	< 0,06 (mg/m²h)	0,001 (mg/m²h)
BVB	< 0,2 (mg/m²h)	0,01 (mg/m²h)	< 0,05 (mg/m²h)	0,002 (mg/m²h)
M1	< 0,2 (mg/m²h)	0,01 (mg/m²h)	< 0,05 (mg/m²h)	0,001 (mg/m²h)
Blue Angel	≤ 0,3 (mg/m³)	0,01 (mg/m³)	≤ 0,06 (mg/m³)	0,005 (mg/m³)

More Building Certifications >>

Green Acoustics

Sustainability is a fundamental part of our core and our target with Feltfon was to create a sustainable product that could match the good environmental credentials of all our other products. Feltfon is made from recycled PET bottles and can be re-cycled multiple times. Feltfon is produced with 100% fossil free energy.

KNOWLEDGEHUB / SUSTAINABILITY

Details that make the difference

Linear Accessories are unique details including lights, hatches, grilles or other solutions to be combined with your wall or ceiling system. Our linear accessories complete your vision and simplify complicated solutions.

F-Line – Linear lightning for Gustafs Felton Linear

Integral linear lightning solution for Gustafs Linear Feltfon System. Available in two versions; with decoration light and mainly used on walls and with full strength room lightning for ceilings. All F-Line solutions use a modern micro prismatic dimming in combination with high-quality LED light sources.

Acoustex 9,0 – Sturdy acoustic felt for multiple use

Extremely form stable acoustic backing in the colours Wool Grey, Dark Grey or Anthracite with fire class B-s1,d0. Can be used as an individual sound absorber or integral as the acoustic insulation layer behind Gustafs Feltfon Linear or Gustafs demountable Linear Ceiling-CD system. Supplied in sheets in various formats. Contains minimum 50% recycled PET bottles and is approved by all international standards regarding in-door climate emissions. Thickness 9,0 mm.

Wooden Infill strip for Feltfon Linear

Combine the wool look of Feltfon with beautiful wooden in-fill strips. Available in the following dimensions (depth x width x length): 13 x 23 x 2400, 13 x 54 x 2400 and 13 x 85 x 2400 mm. The wooden in-fill strip leaves 10 mm of visible rib depth in combination with a 40 mm deep Feltfon rib, 30 mm visible depth in combination with a 60 mm deep rib, etc. Wood species: American Oak / Knotty Oak / Birch / Ash / Walnut / Wild Oak Smoked and Wild Oak Grey.

Easy to install

Capax is our unique aluminium profile installation system that delivers a concealed, reliable, quick, and cost saving installation. The Quick-Up system is user-friendly and available for walls and ceilings. No tools are needed to assemble the interlocking components. Both the wall and ceiling system are demountable, ideal when access to the ancillary systems is required.

WALL INSTALLATION

CEILING INSTALLATION

Inspiration

Feltfon Linear and Feltfon Vector Curves

Feltfon Linear and Feltfon Vector Intersection

Feltfon Linear and Feltfon Vector Layers

Feltfon Linear and Feltfon Vector Intersection

CREATIVE FREEDOM

Feltfon Linear is designed to give creators the flexibility to create their own unique design without having to sacrifice the benefits that come with a standardized installation system. It is possible to customize ribs for even more unique installations. Contact us and we will tell you more.

Avoid devalue engineering of your design

Gustafs has comprehensive, accredited test data for a wide variety of criteria such as fire, acoustics, emissions and many others. We tick all the boxes to comply your project with todays modern building standards. However, the following documents are not available for direct downloading. Please send a request or contact us or our country representatives for more information.

SEND REQUEST FOR CERTIFICATIONS

Available certifications for Feltfon Acoustex 9,0

Fire

Reaction to Fire: B-s1,d0

Acoustics

Configurations possible to achieve absorption class A, C or D. NRC: 0,60, 0,80, 0,95.

Environmental performance certification program for buildings

BREEAM
LEED
BVB
Svanen (Nordic Eco)
Sunda Hus

Emissions

Class E1 and M1. Approved for BREEAM International / LEED v4.1 / Svanen / Byggvarubedömningen / Sunda Hus / Blue Angel / AgBB / Belgian VOC / French VOC.

Declaration of Performance

Yes

EPD

Yes

FSC®

The wooden strips available vith FSC® (Forest Stewardship Council®) certified wood.
Gustafs FSC® certificate code is: SCS-COC-005137

And more

Added Urea formaldehyde: No
Isocyanate binders: No
Life Time:> 50 years
Recycled content>50% Post Consumer

PRODUCT SHEET

Feltfon Linear | pdf

DOWNLOAD

CAD/BIM & SPECIFICATION TEXTS

CAD & specification text I zip

DOWNLOAD

ACOUSTIC VALUES

Gustafs products | pdf

DOWNLOAD

TECHNICAL DATA SHEET

Technical Data Sheet Feltfon | pdf

DOWNLOAD

Feltfon Linear

Material

Design

A safe choice

Related Products and solutions

Acoustex Felt – Green Acoustics made from rPET

Turn our standards into something unique

Dimensions

Spacing

Wooden In-fill strips

Standard dimensions

Customized rib dimensions

Possible* maximum dimensions Depth x Width

Wooden in-fill strips

Gustafs Linear Feltfon acoustics

Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 50mm

Acoustic absorption Feltfon Ribs, 40 x 40 mm, total depth 95 mm

Acoustic absorption Feltfon Ribs 40 x 40 mm, total depth 250 mm:

Fire safety

Reaction to fire – classifications Gustafs Feltfon

With our low emission Acoustex, you can breathe out. And everyone else can breathe in.

Our Linear Feltfon comply with the following building certifications

Green Acoustics

Details that make the difference

F-Line – Linear lightning for Gustafs Felton Linear

Acoustex 9,0 – Sturdy acoustic felt for multiple use

Wooden Infill strip for Feltfon Linear

Easy to install

Inspiration

Avoid devalue engineering of your design

Available certifications for Feltfon Acoustex 9,0

Fire

Acoustics

Environmental performance certification program for buildings

Emissions

Declaration of Performance

EPD

FSC®

And more

CAD-FILES

With our low emission Acoustex, you can breathe out.
And everyone else can breathe in.